Just posted the method to fix No Permissions ??? errorThis is the most fastest and easiest method to install ADB and Fastboot Drivers on Linux. It only take 5 Seconds.

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How To Set Up :Extract The zip fileCopy it to desktopOpen TerminalIn terminal type "cd /home/your_usename/Desktop/ automatic_ADB+Fastboot_By_Ajit" without ""Now open the folder automatic_ADB+Fastboot_By_Ajit.zip and open the Adb+Fastboot_Drivers_installer.shCopy each line at a time enter your password whem promptedAfter it reconnect your device.Type "adb devices" without ""

If you get "no permission ?????" after typing "adb devices" follow the following steps :

Make a new empty document in /tmp and name it "android.rules" without "" Open the new document and in the document type(just copy and paste make no edits) :